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$2,257.95
$1,998.75
Holley 550-601N HP EFI ECU & Harness Kit, GM TPI, NTK O2
Holley 550-601N HP EFI ECU & Harness Kit, GM TPI, NTK O2

Holley 550-601N HP EFI ECU & Harness Kit, GM TPI, NTK O2

Universal Fit, GM TPI Injector Connector, NTK Oxygen Sensor Style

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Holley 550-601N HP EFI ECU & Harness Kit, GM TPI, NTK O2
Holley 550-601N HP EFI ECU & Harness Kit, GM TPI, NTK O2
Holley 550-601N HP EFI ECU & Harness Kit, GM TPI, NTK O2
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Holley 550-601N HP EFI ECU & Harness Kit, GM TPI, NTK O2
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We estimate this item will ship on or before December 18th.
Part # 425550601N
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$1,998.75
$2,257.95
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Ignition Type:
Universal
Injector Connector:
GM TPI
MAP Sensor Included:
No
Transmission Control:
No
Oxygen Sensor Style:
NTK
GTIN Code:
090127687444
Sold in Quantity:
Kit

Rebates

HolleyDays INSTANT REBATE. Select Holley, MSD, Mr Gasket, Earl's Performance, Demon Carburetion, Weiand, Lakewood, Superchips, Diablo Sport, RacePak, Hooker, NOS, Flowtech, Frostbite Performance Cooling, Mallory Ignition, STS Turbo, Hays, Accel, Quick Time, Edge, Quick Fuel, Anvil, Bright Earth, Flowmaster, Hurst, B&M, APR, Dinan, XDR discounted up to 10% through December 31, 2019.

Info

Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost, or water meth.

  • NEW V2 SOFTWARE FEATURES
  • Quick Start ignition and fueling strategy for LS x Engines
  • Data Logger. Scalable axes, Smoothing, Multiple graph view ability, Pre-defined notes fields and many more
  • Strip Chart Real-Time Data Viewer
  • Integrated Boost Control - Boost vs Time, Boost vs Gear (Time or RPM), Boost vs RPM, Boost vs Speed, Launch control. Boost launch builder, Over-boost safeties, Boost scramble
  • Traction Control - Power reduction via timing, nitrous percentage or boost (Requires Davis Technologies Holley Module)
  • Quick Start fueling for all engines
  • Option for VE based fueling strategy
  • Fuel Map and Learn Function Smoothing
  • Configurable User Password Protection
  • Fully Configurable lap top Gauge Panel
  • FEATURES
  • Optional 5.7 full-color touchscreen LCD allows easy on-the-fly tuning,data-logging or can be used as an easy to see graphical gauge panel
  • Eight sequentially driven 8:2 peak and hold injector drivers, capable of driving up to 16 low or High impedance injectors as a standard feature. Multiple staged injector strategies
  • Eight channel Distributorless Ignition (DIS)outputs capable of directly driving Smart ignition coils or Holley DIS coils. Will drive 2 wire coils with the addition of PN 554-112 high current coil driver module
  • Plug and Play control of factory GM 24x and 58x LSx engines
  • Integrated single channel wide band oxygen sensor control. Works with NTK or Bosch sensors
  • Internal data-logging standard with a huge 2GB of memory
  • 4 Stage progressive nitrous control
  • Turbo boost control
  • Integrated water/methanol injection control
  • Self-tuning fuel table strategy greatly simplifies tuning process
  • Individual cylinder fuel and spark control allows you to unlock your engine™s potential
  • Works with 4, 6, 8 cylinder engines
Some parts are not legal for use in California or other states with similar laws/regulations

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